local opt = { noremap = true, silent = true }
local keymap = vim.api.nvim_set_keymap
-- TODO: Remove this
keymap('n', '<insert>', '<cmd>Lazy profile<cr>', opt)
-- resize {{{
keymap('n', '<c-up>', '<cmd>resize -2<cr>', opt)
keymap('n', '<c-down>', '<cmd>resize +2<cr>', opt)
keymap('n', '<c-left>', '<cmd>vertical resize -2<cr>', opt)
keymap('n', '<c-right>', '<cmd>vertical resize -2<cr>', opt)
-- }}}
-- indent {{{
keymap('v', '<', '<gv', opt)
keymap('v', '>', '>gv', opt)
-- }}}
-- open/close folds with enter key {{{
keymap('n', '<cr>', "@=(foldlevel('.')?'za':\"<Space>\")<CR>", opt)
-- }}}
-- terminal {{{
keymap('n', '<home>', '<cmd>ToggleTerm direction=horizontal<cr>', opt)
keymap('t', '<home>', '<cmd>ToggleTerm direction=horizontal<cr>', opt)
keymap('v', '<home>', '<cmd>ToggleTerm direction=horizontal<cr>', opt)
keymap('i', '<home>', '<cmd>ToggleTerm direction=horizontal<cr>', opt)
keymap('n', '<end>', '<cmd>ToggleTerm direction=float<cr>', opt)
keymap('t', '<end>', '<cmd>ToggleTerm direction=float<cr>', opt)
keymap('v', '<end>', '<cmd>ToggleTerm direction=float<cr>', opt)
keymap('i', '<end>', '<cmd>ToggleTerm direction=float<cr>', opt)
-- }}}

keymap('n', '<BS>', ':', { noremap = true })
keymap('n', ';', ':', { noremap = true })
keymap('n', '<leader>rs', ':s///gI<Left><Left><Left><Left><Left><Left>', { noremap = true })
keymap('n', '<leader>rr', ':%s///gI<Left><Left><Left><Left>', { noremap = true })
keymap('v', '<leader>r', ':s///gI<Left><Left><Left><Left>', { noremap = true })

keymap('n', 'D', '"_d', { noremap = true })

keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opt)
keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opt)
keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.hover()<CR>', opt)
keymap('n', 'gI', '<cmd>lua vim.lsp.buf.implementation()<CR>', opt)
keymap('n', 'gl', '<cmd>lua vim.diagnostic.open_float()<CR>', opt)
keymap('n', '<leader>lf', '<cmd>lua vim.lsp.buf.format { async = true }<cr>', opt)
keymap('n', '<leader>li', '<cmd>LspInfo<cr>', opt)
keymap('n', '<leader>lI', '<cmd>LspInstallInfo<cr>', opt)
keymap('n', '<leader>la', '<cmd>lua vim.lsp.buf.code_action()<cr>', opt)
keymap('n', '<leader>lj', '<cmd>lua vim.diagnostic.goto_next({buffer=0})<cr>', opt)
keymap('n', '<leader>lk', '<cmd>lua vim.diagnostic.goto_prev({buffer=0})<cr>', opt)
keymap('n', '<leader>lr', '<cmd>lua vim.lsp.buf.rename()<cr>', opt)
keymap('n', '<leader>ls', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opt)
keymap('n', '<leader>lq', '<cmd>lua vim.diagnostic.setloclist()<CR>', opt)
keymap('n', '<leader>e', '<cmd>lua vim.diagnostic.open_float()<CR>', opt)


function MapDHM()
	keymap('n', 'i', 'l', { noremap = true })
	keymap('n', 'n', 'j', { noremap = true })
	keymap('n', 'e', 'k', { noremap = true })
	keymap('v', 'l', 'i', { noremap = true })
	keymap('v', 'i', 'l', { noremap = true })
	keymap('v', 'n', 'j', { noremap = true })
	keymap('v', 'e', 'k', { noremap = true })
	keymap('n', 'l', 'i', { noremap = true })
	keymap('n', 'N', 'J', { noremap = true })
	keymap('n', 'j', 'n', { noremap = true })
	keymap('n', 'J', 'N', { noremap = true })
	keymap('n', '<nop>', 'I', { noremap = true })
end

function UnMapDHM()
	vim.api.nvim_del_keymap('n', 'l')
	vim.api.nvim_del_keymap('n', 'j')
	vim.api.nvim_del_keymap('v', 'l')
	vim.api.nvim_del_keymap('v', 'j')
	vim.api.nvim_del_keymap('v', 'k')
	vim.api.nvim_del_keymap('n', 'i')
	vim.api.nvim_del_keymap('n', 'J')
	vim.api.nvim_del_keymap('n', 'n')
	vim.api.nvim_del_keymap('n', 'N')
end

local function file_exists(name)
	local f = io.open(name, "r")
	if f ~= nil then
		io.close(f)
		return true
	else
		return false
	end
end

if file_exists('/tmp/colemak') then
	MapDHM()
end

local wk = require 'which-key'

-- which-key {{{
wk.setup {
	plugins = {
		marks = true, -- shows a list of your marks on ' and `
		registers = true, -- shows your registers on " in NORMAL or <C-r> in INSERT mode
		-- the presets plugin, adds help for a bunch of default keybindings in Neovim
		-- No actual key bindings are created
		presets = {
			operators = true, -- adds help for operators like d, y, ...
			motions = true, -- adds help for motions
			text_objects = false, -- help for text objects triggered after entering an operator
			windows = true, -- default bindings on <c-w>
			nav = true, -- misc bindings to work with windows
			z = true, -- bindings for folds, spelling and others prefixed with z
			g = true, -- bindings for prefixed with g
		},
	},
	icons = {
		breadcrumb = '»', -- symbol used in the command line area that shows your active key combo
		separator = '➜ ', -- symbol used between a key and it's label
		group = '+', -- symbol prepended to a group
	},
	window = {
		border = 'none', -- none, single, double, shadow
		position = 'bottom', -- bottom, top
		margin = { 1, 0, 1, 0 }, -- extra window margin [top, right, bottom, left]
		padding = { 1, 1, 1, 1 }, -- extra window padding [top, right, bottom, left]
	},
	layout = {
		height = { min = 4, max = 25 },                                -- min and max height of the columns
		width = { min = 20, max = 50 },                                -- min and max width of the columns
		spacing = 3,                                                   -- spacing between columns
	},
	hidden = { '<silent>', '<cmd>', '<Cmd>', '<CR>', 'call', 'lua', '^:', '^ ' }, -- hide mapping boilerplate
	show_help = true,                                                      -- show help message on the command line when the popup is visible
}

local opts = {
	mode = 'n', -- NORMAL mode
	prefix = '<leader>',
	buffer = nil, -- Global mappings. Specify a buffer number for buffer local mappings
	silent = true, -- use `silent` when creating keymaps
	noremap = true, -- use `noremap` when creating keymaps
	nowait = false, -- use `nowait` when creating keymaps
}

vim.keymap.set('n', 'L', function()
	local win = vim.api.nvim_get_current_win()
	local qf_winid = vim.fn.getloclist(win, { winid = 0 }).winid
	local action = qf_winid > 0 and 'lclose' or 'lopen'
	vim.cmd(action)
end, { noremap = true, silent = true })

vim.keymap.set('n', 'X', function()
	local qf_winid = vim.fn.getqflist({ winid = 0 }).winid
	local action = qf_winid > 0 and 'cclose' or 'copen'
	vim.cmd('botright ' .. action)
end, { noremap = true, silent = true })
-- }}}
-- leader mappings {{{
-- TODO create entire treesitter section
local mappings = {
	['<leader>'] = {
		function()
			require('buffer_manager.ui').toggle_quick_menu()
		end,
		'Buffers',
	},
	['.'] = { '<cmd>Oil<cr>', 'Oil' },
	['f'] = { '<cmd>e ~/.config/nvim/ <cr>', 'Neovim config' },
	['rr'] = 'Search and replace all',
	['rs'] = 'Search and replace',
	['q'] = { '<cmd>lua UnMapDHM()<cr>', 'Qwerty' },
	['b'] = {
		function()
			require('buffer_manager.ui').toggle_quick_menu()
		end,
		'List buffers',
	},
	['n'] = {
		function()
			require('buffer_manager.ui').nav_next()
		end,
		'Next buffer',
	},
	['p'] = {
		function()
			require('buffer_manager.ui').nav_prev()
		end,
		'Previous buffer',
	},
	['h'] = { '<cmd>TSBufToggle highlight<cr>', 'Enable TS highlight' },
	['1'] = {
		function()
			require('buffer_manager.ui').nav_file(1)
		end,
		'Buffer 1',
	},
	['2'] = {
		function()
			require('buffer_manager.ui').nav_file(2)
		end,
		'Buffer 2',
	},
	['3'] = {
		function()
			require('buffer_manager.ui').nav_file(3)
		end,
		'Buffer 3',
	},
	['4'] = {
		function()
			require('buffer_manager.ui').nav_file(4)
		end,
		'Buffer 4',
	},
	['5'] = {
		function()
			require('buffer_manager.ui').nav_file(5)
		end,
		'Buffer 5',
	},
	['g'] = { '<cmd>Neogit<cr>', 'Neogit' },
	l = {
		name = 'LSP',
		l = { '<cmd>Lazy load lsp <bar> LspStart <cr>', 'Start LSP' },
		f = { '<cmd>lua vim.lsp.buf.format { async = true }<cr>', 'Format' },
		i = 'Lsp Info',
		a = 'Code action',
		j = 'Next diagnostic',
		k = 'Prev diagnostic',
		r = 'Rename',
		s = 'Signature Help',
		q = 'Set LocList',
	},
	['<TAB>'] = {
		name = 'Tab',
		n = { '<cmd>tabnew<cr>', 'New' },
		p = { '<cmd>tabp<cr>', 'Previous' },
		d = { '<cmd>tabclose<cr>', 'Close' },
		['<TAB>'] = { '<cmd>tabnext<cr>', 'Next' },
		['1'] = { '1gt', 'Go to tab 1' },
		['2'] = { '2gt', 'Go to tab 2' },
		['3'] = { '3gt', 'Go to tab 3' },
		['4'] = { '4gt', 'Go to tab 4' },
		['5'] = { '5gt', 'Go to tab 5' },
		['6'] = { '6gt', 'Go to tab 6' },
		['7'] = { '7gt', 'Go to tab 7' },
		['8'] = { '8gt', 'Go to tab 8' },
		['9'] = { '9gt', 'Go to tab 9' },
	},
	w = {
		name = 'Window',
		v = { '<C-w>v', 'Vertical split' },
		h = { '<C-w>s', 'Horizontal split' },
	},
}
-- }}}
wk.register(mappings, opts)